package item3_09.src.com.company.section2;

import java.util.ArrayList;
import java.util.List;

public class Client {
	public static void main(String[] args) {	
		//定义一个继承ArrayList的内部类
		class Sub extends ArrayList{			
		}
		//声明和赋值
		List l2 = new Sub();
	}
	

}

